Finding the Fourth Proportional to 77,090.40, 115,648.56 and 24,495.84
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Solution
The fourth proportional to 77,090.40, 115,648.56 and 24,495.84 is: 36,747.88
Step by Step Solution
- Step 1: Write the proportion equation
77,090.40 : 115,648.56 = 24,495.84 : x - Step 2: Convert to fraction form
77,090.40/115,648.56 = 24,495.84/x - Step 3: Cross multiply
77,090.40x = 115,648.56 × 24,495.84 - Step 4: Simplify right side
77,090.40x = 2,832,908,621.99 - Step 5: Solve for x
x = 2,832,908,621.99/77,090.40 - Step 6: Final answer
x = 36,747.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.